Finding the Fourth Proportional to 247,381.20, 370,998.90 and 97,571.70
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Solution
The fourth proportional to 247,381.20, 370,998.90 and 97,571.70 is: 146,328.80
Step by Step Solution
- Step 1: Write the proportion equation
247,381.20 : 370,998.90 = 97,571.70 : x - Step 2: Convert to fraction form
247,381.20/370,998.90 = 97,571.70/x - Step 3: Cross multiply
247,381.20x = 370,998.90 × 97,571.70 - Step 4: Simplify right side
247,381.20x = 36,198,993,371.13 - Step 5: Solve for x
x = 36,198,993,371.13/247,381.20 - Step 6: Final answer
x = 146,328.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.